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// Portions Copyright [2019-2021] [Payara Foundation and/or its affiliates]

package org.glassfish.internal.data;

import org.glassfish.api.container.Sniffer;
import org.glassfish.hk2.api.ServiceLocator;

import org.jvnet.hk2.annotations.Service;
import jakarta.inject.Singleton;

import jakarta.inject.Inject;
import java.util.*;

/**
 * The container Registry holds references to the currently running containers.
 *
 * @author Jerome Dochez
 */
@Service
@Singleton
public class ContainerRegistry {

    @Inject
    ServiceLocator habitat;
    
    Map<String, EngineInfo> containers = new HashMap<String, EngineInfo>();


    public synchronized void addContainer(String name, EngineInfo info) {
        containers.put(name, info);
        info.setRegistry(this);
    }

    public List<Sniffer> getStartedContainersSniffers() {

        ArrayList<Sniffer> sniffers = new ArrayList<Sniffer>();

        for (EngineInfo info : getContainers() ) {
            sniffers.add(info.getSniffer());
        }
        return sniffers;
    }

    public synchronized EngineInfo getContainer(String containerType) {
        return containers.get(containerType);
    }

    public synchronized EngineInfo removeContainer(EngineInfo container) {
        for (Map.Entry<String, EngineInfo> entry : containers.entrySet()) {
            if (entry.getValue().equals(container)) {
                return containers.remove(entry.getKey());
            }
        }
        return null;
    }

    public Iterable<EngineInfo> getContainers() {
        ArrayList<EngineInfo> copy = new ArrayList<EngineInfo>(containers.size());
        copy.addAll(containers.values());
        return copy;
    }
}
